Lamp



FIG. 1 is a front perspective view of a lamp embodying the design;

FIG. 2 is a top plan view of the lamp of FIG. 1;

FIG. 3 is a right elevational view of the lamp of FIG. 1;

FIG. 4 is left elevational view of the lamp of FIG. 1;

FIG. 5 is front elevational view of the lamp of FIG. 1;

FIG. 6 is a bottom plan view of the lamp of FIG. 1; and,

FIG. 7 is a rear elevational view of the lamp of FIG. 1. 

We claim the ornamental design for a lamp, as shown and described. 